private bool? EquationLaws(Equation rootEq, bool withEqRule, out object outputEq, bool lineCheck = false) { /* Equation currentEq; if (Traces.Count == 0) { currentEq = this; } else { var tuple = Traces[Traces.Count - 1]; var lst = tuple.Item2 as List<TraceStep>; Debug.Assert(lst != null); currentEq = lst[lst.Count - 1].Target as Equation; }*/ Equation currentEq = FindCurrentEq(rootEq); outputEq = currentEq; Debug.Assert(currentEq != null); bool hasChange; do { hasChange = false; Equation localEq00 = currentEq.EvalTermInEquation(rootEq, true); if (!localEq00.Equals(currentEq)) { hasChange = true; currentEq = localEq00; } Equation localEq0 = currentEq.EvalTermInEquation(rootEq, false); if (!localEq0.Equals(currentEq)) { hasChange = true; currentEq = localEq0; } bool? satisfiable = Satisfy(currentEq); if (satisfiable != null) { if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = currentEq; return satisfiable.Value; } var localEq000 = currentEq.ApplyTransitive2(rootEq, withEqRule, lineCheck); if (!localEq000.Equals(currentEq)) { hasChange = true; currentEq = localEq000 as Equation; } var localObj1 = currentEq.ApplyTransitive(rootEq, withEqRule, lineCheck); var localEq1 = localObj1 as Equation; var localEqLst = localObj1 as List<Equation>; if (localEqLst != null) { if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = localEqLst; return null; } if (localEq1 != null && !localEq1.Equals(currentEq)) { hasChange = true; currentEq = localEq1; } var localEq2 = localEq1.ApplySymmetric(rootEq); if (!localEq2.Equals(localEq1)) { hasChange = true; currentEq = localEq2; } } while (hasChange); if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = currentEq; return null; }
private bool?EquationLaws(Equation rootEq, bool withEqRule, out object outputEq, bool lineCheck = false) { /* Equation currentEq; * if (Traces.Count == 0) * { * currentEq = this; * } * else * { * var tuple = Traces[Traces.Count - 1]; * var lst = tuple.Item2 as List<TraceStep>; * Debug.Assert(lst != null); * currentEq = lst[lst.Count - 1].Target as Equation; * }*/ Equation currentEq = FindCurrentEq(rootEq); outputEq = currentEq; Debug.Assert(currentEq != null); bool hasChange; do { hasChange = false; Equation localEq00 = currentEq.EvalTermInEquation(rootEq, true); if (!localEq00.Equals(currentEq)) { hasChange = true; currentEq = localEq00; } Equation localEq0 = currentEq.EvalTermInEquation(rootEq, false); if (!localEq0.Equals(currentEq)) { hasChange = true; currentEq = localEq0; } bool?satisfiable = Satisfy(currentEq); if (satisfiable != null) { if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = currentEq; return(satisfiable.Value); } var localEq000 = currentEq.ApplyTransitive2(rootEq, withEqRule, lineCheck); if (!localEq000.Equals(currentEq)) { hasChange = true; currentEq = localEq000 as Equation; } var localObj1 = currentEq.ApplyTransitive(rootEq, withEqRule, lineCheck); var localEq1 = localObj1 as Equation; var localEqLst = localObj1 as List <Equation>; if (localEqLst != null) { if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = localEqLst; return(null); } if (localEq1 != null && !localEq1.Equals(currentEq)) { hasChange = true; currentEq = localEq1; } var localEq2 = localEq1.ApplySymmetric(rootEq); if (!localEq2.Equals(localEq1)) { hasChange = true; currentEq = localEq2; } } while (hasChange); if (rootEq._innerLoop.Count != 0) { rootEq.GenerateATrace(EquationsRule.EqStrategy); } outputEq = currentEq; return(null); }